Extractor Fan power supply

[pintglass]

Re: Extractor Fan power supply

The highest value I've got is a 100uf, if the ones I've linked to are ok I'll just order those.

[Per Hansson]

Re: Extractor Fan power supply

Well if you have two of those connected in parallel that's awfully close to 220uF

[budm]

Re: Extractor Fan power supply

Well if you have two of those connected in parallel that's awfully close to 220uF

+1, then you can see if the fan will work or not.

[pintglass]

Re: Extractor Fan power supply

I only have one 100uf, could I use that with the one that was previously installed which was giving me a reading of about 75uf just for a test.

To install them in parallel do I just join the + and - legs together.

[Per Hansson]

Re: Extractor Fan power supply

Yes you can, and your connection idea is correct.
It's good for a quick test like this...

[pintglass]

Re: Extractor Fan power supply

The Fan seems to work fine with the extra capacitor in parallel with the old one, so if the capacitors I linked to in a previous post are OK I'll order those.

Thanks to everyone for all your help.

[Per Hansson]

Re: Extractor Fan power supply

Yes it should be fine, probably does not matter if it is low ESR or not in this circuit.
It might be a good idea to check the capacitance of the C1 X2 film capacitor as well, if you are anyway placing an order...

[chris.oates]

4 years on this discussion helped me repair my fan, same 449252 pcb, labelled as type F100T1 Lieferant supplied by APL, probably from Toolstation, about 8 years old. Same fault with underspec electrolytic 220 uf capacitor, replaced and working again. Thanks.

Chris